Abstract
Nowadays, the complexity of global video products has substantially increased. They are composed of several associated services whose functionalities need to adapt across heterogeneous networks with different technologies and administrative domains. Each of these domains has different operational procedures; therefore, the comprehensive management of multi-domain services presents serious challenges. This paper discusses an approach to service management linking fault diagnosis system and Business Processes for Telefónica’s global video service. The main contribution of this paper is the proposal of an extended service management architecture based on Multi Agent Systems able to integrate the fault diagnosis with other different service management functionalities. This architecture includes a distributed set of agents able to coordinate their actions under the umbrella of a Shared Knowledge Plane, inferring and sharing their knowledge with semantic techniques and three types of automatic reasoning: heterogeneous, ontology-based and Bayesian reasoning. This proposal has been deployed and validated in a real scenario in the video service offered by Telefónica Latam.
Highlights
The growth of TV channels, series and movies that people watch as well as the greater and better coverage of sports reveal that we are living the golden age of TV
Create the Knowledge Base (KB) in the Shared Knowledge Plane based on the OWL + SWRL
Automatic diagnoses, from three countries (Argentina, Brazil and Spain). This automatic diagnoses, from three countries (Argentina, Brazil and Spain). This information was sent to the preproduction environment to be used by the agents that integrate the information was sent to the preproduction environment to be used by the agents that integrate the whole video service management
Summary
The growth of TV channels, series and movies that people watch as well as the greater and better coverage of sports reveal that we are living the golden age of TV. Each one is managed by different teams with different roles such as content or infrastructure provider, device manufacturer and so on These organizations are associated with administrative domains included in the different OBs. Video services are powered by multiple technologies (IPTV, OTT, CDN, etc.) with several streaming formats, such as smooth streaming or HLS, both for Video on Demand (VoD) and Live Broadcasts. There is a lack of proposals that can be directly applied to the problem: global (instead of isolated functionalities) and integrated service management for a complex service, in an intelligent and cooperative way over an inter-domain service deployment This approach would link the business vision with the operational vision, covering management aspects such as SLA, fault diagnosis or incident management.
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